Bromophenol Blue Indicator AR
3',3'',5',5''-Tetrabromophenolsulfonephthalein; BPB
Product Code. |
00509 |
Grade |
AR |
Purity |
CAS No. |
115-39-9 | |
Molecular Formula |
C19H10Br4O5S |
Molecular Weight |
669.99 |
H.S.Code |
2934.99000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Pale orange |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
273 °C |
Boiling point [°C] |
279°C |
Solubility in water [% weight] |
0.4g/100g water @ 200C |
Packaging
Specification
| Appearance | Pink-orange to red to purple powder |
| Appearance of solution | Passes test |
| Transition range pH 3.0-4.6 | Yellow to blue |
| Transition range acc. ACS | Passes test |
Safety Information and Hazard Symbols